Coinbase is reimbursing users after a data breach that led to a $20 million extortion attempt.
The breach involved cybercriminals convincing Coinbase insiders to copy customer support data to trick customers into handing over their crypto.
Coinbase fired the compromised employees, referred them to law enforcement, and plans to press criminal charges.
Coinbase is reimbursing customers tricked into sending funds to the attacker, setting up a $20 million reward fund for information leading to the attackers' arrest.